Diamondback Energy (NASDAQ: FANG) insider files to sell 15,000 shares

Rhea-AI Filing Summary

Diamondback Energy, Inc. submitted a Form 144 notice proposing the sale of 15,000 common shares. The filing lists Charles Schwab & Co., Inc. as broker and an aggregate value of $3,125,000.00.

The notice shows shares outstanding were 281,313,297 as of 06/03/2026. It also records a prior sale of 10,000 shares on 03/06/2026 for $1,808,399.00, and indicates the 15,000 shares relate to RSU/PSU equity compensation dated 03/01/2024.

Insights

Equity Capital Markets Analyst

15,000-share Form 144 filed; transaction sizes are routine for RSU-derived sales.

The filing lists a proposed sale of 15,000 common shares with an aggregate value of $3,125,000.00, routed through Charles Schwab & Co., Inc.. The shares are identified as RSU/PSU awards dated 03/01/2024, indicating compensation-source origin.

Past activity includes a reported sale of 10,000 shares on 03/06/2026 for $1,808,399.00. Cash‑flow treatment and whether proceeds go to the selling holder or the issuer are not specified in the excerpt.

Corporate Governance Specialist

Form 144 signals a planned secondary sale by an insider or affiliate, common after RSU vesting.

The filing identifies the securities as equity compensation (RSU/PSU) and provides broker and sizing details. The shares outstanding figure of 281,313,297 as of 06/03/2026 offers context for scale versus the proposed sale.

Execution timing and method are not disclosed beyond the broker listing; subsequent SEC or brokerage filings will show completed transactions if executed.

Key Figures

Proposed sale: 15,000 shares Aggregate value (proposed): $3,125,000.00 Prior sale: 10,000 shares +2 more

5 metrics

Proposed sale 15,000 shares Form 144 notice; tied to RSU/PSU dated 03/01/2024

Aggregate value (proposed) $3,125,000.00 Aggregate value listed alongside 15,000 shares

Prior sale 10,000 shares Sold on 03/06/2026 as reported in the filing

Proceeds from prior sale $1,808,399.00 Proceeds listed for 10,000-share sale on 03/06/2026

Shares outstanding 281,313,297 Shares outstanding as of 06/03/2026

Key Terms

Form 144, RSU / PSU, Aggregate value

3 terms

Form 144 regulatory

"submitted a Form 144 notice proposing the sale of 15,000 common shares"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

RSU / PSU financial

"the 15,000 shares relate to RSU/PSU equity compensation dated 03/01/2024"

Aggregate value financial

"an aggregate value of $3,125,000.00 listed alongside the 15,000 shares"

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Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Charles Schwab & Co., Inc. 3000 Schwab Way Westlake TX 76262	15000	3125000.00	281313297	06/03/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	03/01/2024	RSU / PSU	Diamondback Energy, Inc.			15000	03/01/2024	Equity Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Matthew Kaes Van't Hof 500 WEST TEXAS AVENUE SUITE 100 MIDLAND TX 79701	Diamondback Energy, Inc.	03/06/2026	10000	1808399.00

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does Diamondback Energy's (FANG) Form 144 report?

The Form 144 reports a proposed sale of 15,000 common shares with an aggregate value of $3,125,000.00. It identifies Charles Schwab & Co., Inc. as the broker and links the shares to RSU/PSU equity compensation.

How many shares were reported sold recently for FANG?

The filing records a sale of 10,000 shares on 03/06/2026 for $1,808,399.00. That prior sale appears separately from the newly proposed 15,000-share notice.

Are the 15,000 shares from compensation or open-market holdings?

The notice ties the 15,000 shares to equity compensation, listed as RSU / PSU dated 03/01/2024. The filing therefore links the shares to awards rather than expressly to open-market holdings.

What is the company share count cited in the filing for FANG?

The filing shows shares outstanding were 281,313,297 as of 06/03/2026. This provides a baseline for scale relative to the proposed 15,000-share sale.